The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2005
Filed:
Aug. 07, 2001
Applicants:
Gerhard Wollmann, Hilden, DE;
Joerg Schwarzer, Hilden, DE;
Bernhard Gutsche, Hilden, DE;
Inventors:
Assignee:
Cognis Deutschland GmbH & Co. KG, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07J009/00 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the production of sterols from fatty acid distillation residues, characterized in that the partial glycerides are subjected to a first transesterification step under mild conditions and, after working up and the removal of impurities, the sterol esters are subjected to a second transesterification step under more extreme conditions.